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2112130232300 = 22521131389159227
BaseRepresentation
bin11110101111000100110…
…001011010111111101100
321110220202222122211200202
4132233010301122333230
5234101120314413200
64254144345013032
7305411361516224
oct36570461327754
97426688584622
102112130232300
117448274a8a60
122a1418184178
131242331a5a5a
147432894d084
1539e1c1101d5
hex1ebc4c5afec

2112130232300 has 144 divisors (see below), whose sum is σ = 5174578805760. Its totient is φ = 741356256000.

The previous prime is 2112130232281. The next prime is 2112130232309. The reversal of 2112130232300 is 32320312112.

It is a super-2 number, since 2×21121302323002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2112130232309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13185287 + ... + 13344513.

It is an arithmetic number, because the mean of its divisors is an integer number (35934575040).

Almost surely, 22112130232300 is an apocalyptic number.

2112130232300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112130232300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587289402880).

2112130232300 is an abundant number, since it is smaller than the sum of its proper divisors (3062448573460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112130232300 is a wasteful number, since it uses less digits than its factorization.

2112130232300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159672 (or 159665 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2112130232300 its reverse (32320312112), we get a palindrome (2144450544412).

The spelling of 2112130232300 in words is "two trillion, one hundred twelve billion, one hundred thirty million, two hundred thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 31 44 50 55 62 100 110 124 155 220 275 310 341 389 550 620 682 775 778 1100 1364 1550 1556 1705 1945 3100 3410 3890 4279 6820 7780 8525 8558 9725 12059 17050 17116 19450 21395 24118 34100 38900 42790 48236 60295 85580 106975 120590 132649 159227 213950 241180 265298 301475 318454 427900 530596 602950 636908 663245 796135 1205900 1326490 1592270 1751497 2652980 3184540 3316225 3502994 3980675 4936037 6632450 7005988 7961350 8757485 9872074 13264900 15922700 17514970 19744148 24680185 35029940 43787425 49360370 54296407 61939303 87574850 98720740 108592814 123400925 123878606 175149700 217185628 246801850 247757212 271482035 309696515 493603700 542964070 619393030 681332333 1085928140 1238786060 1357410175 1362664666 1548482575 1920118393 2714820350 2725329332 3096965150 3406661665 3840236786 5429640700 6193930300 6813323330 7680473572 9600591965 13626646660 17033308325 19201183930 21121302323 34066616650 38402367860 42242604646 48002959825 68133233300 84485209292 96005919650 105606511615 192011839300 211213023230 422426046460 528032558075 1056065116150 2112130232300